Home / 29,310.09-43,971.23-11,781.28

Finding the Fourth Proportional to 29,310.09, 43,971.23 and 11,781.28

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Solution

The fourth proportional to 29,310.09, 43,971.23 and 11,781.28 is: 17,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,310.09 : 43,971.23 = 11,781.28 : x
  2. Step 2: Convert to fraction form
    29,310.09/43,971.23 = 11,781.28/x
  3. Step 3: Cross multiply
    29,310.09x = 43,971.23 × 11,781.28
  4. Step 4: Simplify right side
    29,310.09x = 518,037,372.57
  5. Step 5: Solve for x
    x = 518,037,372.57/29,310.09
  6. Step 6: Final answer
    x = 17,674.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.